U-POL 1 Liter (Aprox. 1 Quart) (4.2 VOC) High Solids High Build Urethane Primer Kit with Fast (40 to 70 &ordm;F) Temperature Hardener Note: If primer is sprayed above the 70F Temperature range, primer will dry very fast. European Style Multi-Function 3 in 1 Direct-To-Metal Primer HS High Build Urethane Primer with a 4 to 1 Mixing Ratio Offers excellent opacity and hiding power. Has excellent film build and surface levelling properties.